📘 به سری کتاب‌های رسمی Cert Guide از Cisco Press اعتماد کنید تا برای امتحان CCNP Enterprise Design ENSLD 300-420 به خوبی یاد بگیرید، آماده شوید و تمرین کنید. این کتاب، که برای سطح جزئیات، برنامه‌های مطالعه، ویژگی‌های ارزیابی و سوالات و تمرین‌های چالش‌برانگیز خود شناخته شده است، با نام CCNP Enterprise Design ENSLD 300-420 Official Cert Guide, Second Edition به شما کمک می‌کند تا مفاهیم و تکنیک‌هایی که برای موفقیت در امتحان ضروری هستند را به‌طور کامل یاد بگیرید و تنها منبع خودآموز مورد تأیید Cisco است. نویسندگان خبره Anthony Bruno و Steve Jordan نکات آماده‌سازی و روش‌های پاسخ‌دهی به آزمون را به اشتراک می‌گذارند و به شما کمک می‌کنند تا نقاط ضعف خود را شناسایی کرده و دانش مفهومی و مهارت‌های عملی خود را تقویت کنید.

📚 این بستهٔ کامل مطالعه شامل موارد زیر است:

• برنامهٔ آماده‌سازی آزمون که اثبات شده برای قبولی موثر است

• آزمون‌های Do I Know This Already? برای تعیین میزان زمانی که باید به هر بخش اختصاص دهید

• فهرست موضوعات آزمون برای ارجاع آسان

• تمرین‌های پایان فصل برای تثبیت مفاهیم کلیدی

• نرم‌افزار Pearson Test Prep Practice Test با صدها سوال واقعی شبیه امتحان، گزینه‌های شخصی‌سازی و گزارش‌های عملکرد دقیق

• برنامهٔ آنلاین فلش‌کارت‌ها برای مرور اصطلاحات کلیدی هر فصل

• فصل نهایی آماده‌سازی که ابزارها و منابع لازم برای مرور و استراتژی‌های آزمون را ارائه می‌دهد

• پیشنهادها و قالب‌های برنامهٔ مطالعه برای سازماندهی و بهینه‌سازی زمان مطالعه

🔄 برنامه به‌روزرسانی محتوا:

ویرایش دوم کاملاً به‌روز شده، آخرین موضوعات و اطلاعات اضافی مربوط به تغییرات آزمون ENSLD 300-420 را پوشش می‌دهد. برای اطلاعات در مورد به‌روزرسانی‌های دیجیتال سالانه مطابق با تغییرات نسخهٔ طرح امتحان Cisco، به ciscopress.com/newcerts مراجعه کنید.

📖 این راهنمای رسمی مطالعه به شما کمک می‌کند تا تمام موضوعات آزمون CCNP Enterprise Design ENSLD 300-420 را یاد بگیرید، از جمله:

• راه‌حل‌های پیشرفتهٔ آدرس‌دهی و مسیریابی (Advanced Addressing and Routing Solutions)

• شبکه‌های پیشرفتهٔ سازمانی (Advanced Enterprise Campus Networks)

• شبکه‌های WAN برای شبکه‌های سازمانی (WAN for Enterprise Networks)

• خدمات شبکه (Network Services)

• اتوماسیون (Automation)

Trust the best-selling Official Cert Guide series from Cisco Press to help you learn, prepare, and practice for the CCNP Enterprise Design ENSLD 300-420 exam. Well regarded for its level of detail, study plans, assessment features, and challenging review questions and exercises, CCNP Enterprise Design ENSLD 300-420 Official Cert Guide, Second Edition, helps you master the concepts and techniques that ensure your exam success and is the only self-study resource approved by Cisco. Expert authors Anthony Bruno and Steve Jordan share preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills.

This complete study package includes

• A test-preparation routine proven to help you pass the exam
• Do I Know This Already? quizzes, which allow you to decide how much time you need to spend on each section
• Exam Topic lists that make referencing easy
• Chapter-ending exercises, which help you drill on key concepts you must know thoroughly
• The powerful Pearson Test Prep Practice Test software, complete with hundreds of well-reviewed, exam-realistic questions, customization options, and detailed performance reports
• An online Flash Cards application to help you drill on Key Terms by chapter
• A final preparation chapter, which guides you through tools and resources to help you craft your review and test-taking strategies
• Study plan suggestions and templates to help you organize and optimize your study time

Content Update Program:

This fully updated second edition includes the latest topics and additional information covering changes to the latest ENSLD 300-420 exam. Visit ciscopress.com/newcerts for information on annual digital updates for this book that align to Cisco exam blueprint version changes.

This official study guide helps you master all the topics on the CCNP Enterprise Design ENSLD 300-420 exam, including

• Advanced Addressing and Routing Solutions
• Advanced Enterprise Campus Networks
• WAN for Enterprise Networks
• Network Services
• Automation

Table of Contents

1. Internet Protocol Version 4 (IPv4) Design

2. Internet Protocol Version 6 (IPv6) Design

3. Routing Protocol Characteristics, EIGRP, and IS-IS

4. OSPF, BGP, and Route Manipulation

5. IP Multicast and Network Management

6. Enterprise LAN Design and Technologies

7. Advanced Enterprise Campus Design

8. WAN for the Enterprise

9. WAN Availability and QoS

10. SD-Access Design

11. SD-WAN Design

12. Automation

13. Final Preparation

14. CCNP Enterprise Design ENSLD 300-420 Official Cert Guide Exam Updates

15. Appendix A: Answers to the "Do I Know This Already?" Quiz Questions Q&A Questions

16. Appendix B: OSI Model, TCP/IP Architecture, and Numeric Conversion  

About the Authors

Anthony Bruno, CCIE No. 2738, is an architect and technical resource manager with British Telecom (BT) with more than 27 years of experience in the internetworking field. Previously, he worked for International Network Services (INS) and Lucent Technologies, and he was a captain in the U.S. Air Force. He has consulted for many enterprise and service provider customers in the design, implementation, and optimization of large scale networks. Anthony leads architecture and design teams in building next-generation networks for customers. 

Anthony completed a master of science degree in electrical engineering at the University of Missouri–Rolla in 1994 and a bachelor of science in electrical engineering at the University of Puerto Rico–Mayaguez in 1990. For the past 20 years, he has coauthored five editions of the CCDA Official Cert Guide for Cisco Press. 

Outside work, Anthony enjoys running marathons and Spartan obstacle races, and he has finished seven Ironman distance triathlons. He is also an avid genealogist and ancestry tree researcher. Anthony also enjoys piloting his Mavic Pro drone during trips. 

Steve Jordan, CCIE No. 11293, is a Principal Architect with J. Network Architects and has 23 years of experience in the field of internetworking. For the last 13 years, Steve has specialized in data center and network security architectures involving compute, network, security,storage, and virtualization. Over the years, Steve has consulted with many enterprise and service provider customers in both pre-sales and post-sales engineering and architecture roles, along with working at several Cisco Gold Partners. He has extensive experience in data center and security architecture design and has implemented solutions in many financial, energy, retail, healthcare,education, and telecommunications industries. Steve is a 15-Year triple CCIE in the tracks of Routing & Switching, Storage Networking, and Data Center. His other certifications include CCNA, CCNP Enterprise, VMware VCIX6-NV, and VCP6-NV. 

Steve lives in Houston, Texas; and when he is not working on technology, Steve can be found traveling to new places, home brewing, and trading stocks.

For the past 14 years, Steve was also the coauthor for three editions of the CCDA Official Cert Guide.